It's an age-old question being asked again ahead of Sunday's Grey Cup--does sex before a big game hurt or help the players?

Newstalk 1010 medical correspondent Dr Mitch Shulman says any blanket ban on getting action between the sheets, is more about myth & player control than helping them to perform better.

Shulman says it just isn't true that lovemaking leaves men wiped out.  He says the average sex sessions only burns 25-50 calories & actually boosts testosterone levels.

He admits a quarterback or tight end who stays up late, is very vigorous in bed & exhausts himself could harm his potential performance on the field.

On the other hand, Shulman says sex could act as a stress reliever leading to a better night's sleep & that could help an athlete's game.